CVE-2026-70208
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk32th percentile - higher than 32% of all known CVEs
Summary
Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to disclose information locally.
Risk Assessment
An attacker with local access could read data outside the permitted memory range of the HTTP.sys driver, potentially leaking sensitive information.
Recommendation
Install the latest Microsoft Windows security patches covering the HTTP.sys driver.
Other vulnerabilities in Windows HTTP.sys
See all- CVE-2026-47291Critical
An integer overflow or wraparound vulnerability in Windows HTTP.sys allows an unauthorized attacker to execute code remotely over a network.
- CVE-2026-83714Medium
Use of uninitialized resource in Windows HTTP.sys allows an authorized attacker to disclose information locally.
- CVE-2026-83705Medium
Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.
- CVE-2026-70247High
An out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute code locally.
- CVE-2026-69597High
Use after free in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network.
- CVE-2026-62811High
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-62753High
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-62741High
Integer underflow (wrap or wraparound) in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-62739High
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-62735High
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS